Anyone who thinks they may have been exposed at those locations should review their immunization records to determine if they are protected, and if not, call a health care provider. People who are exposed can develop measles up to 21 days after exposure.

The latest case brings to 19 the number of measles infections among county residents this year, in addition to 11 non-resident cases that traveled through the county — excluding Long Beach and Pasadena, which have their own health departments and track their own cases.

Crews from several fire departments are battling a major grass fire late Saturday afternoon that has claimed at least 500 acres in a rural area in Solano County between Vacaville and Winters, and is prompting mandatory evacuations, firefighters said.